@ankii Are you using the low quality review first? I see you are flagging things as not an answer
If you review low quality answers, it has a “NAA” item to cast delete votes. That is much more effecive for you and @IconDaemon to handle the flags I’ve seen recently on NAA posts
The main point is to use the review queues in the order they do the most work. Start with low quality before you do new / first posts. Same with reopen / close. leave the first to the last...